10111100111 has 16 divisors (see below), whose sum is σ = 11733427200. Its totient is φ = 8533837728.

The previous prime is 10111100093. The next prime is 10111100137. The reversal of 10111100111 is 11100111101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111100111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111100911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181760 + ... + 230778.

It is an arithmetic number, because the mean of its divisors is an integer number (733339200).

Almost surely, 2^10111100111 is an apocalyptic number.

10111100111 is a deficient number, since it is larger than the sum of its proper divisors (1622327089).

10111100111 is an equidigital number, since it uses as much as digits as its factorization.

10111100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49478.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 10111100111 its reverse (11100111101), we get a palindrome (21211211212).

It can be divided in two parts, 101 and 11100111, that multiplied together give a palindrome (1121111211).

The spelling of 10111100111 in words is "ten billion, one hundred eleven million, one hundred thousand, one hundred eleven".